发明名称 |
CONSTRUCTION METHOD FOR CONCRETE PILE, CASING TUBE, CASING, AND CONCRETE PILE |
摘要 |
PROBLEM TO BE SOLVED: To provide a construction method for a concrete pile for excavating the ground while preventing collapse of a hole wall to hold required cross section of the pile and dispense with recovery of a casing and to provide a casing tube, the casing, and the concrete pile used in this method. SOLUTION: This construction method for the cast-in-place concrete pile comprises a process for pressing the casing tube 12a made of biodegradable plastic of a hollow cylinder into the ground and excavating the inside of the casing tube to form a excavated hole in which the casing is inserted and a process for placing concrete in the casing. COPYRIGHT: (C)2007,JPO&INPIT
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申请公布号 |
JP2006274745(A) |
申请公布日期 |
2006.10.12 |
申请号 |
JP20050098720 |
申请日期 |
2005.03.30 |
申请人 |
NISHIMATSU CONSTR CO LTD |
发明人 |
TAKEUCHI YOSHIO;ARAI TOSHIAKI |
分类号 |
E02D5/34;E21B7/20 |
主分类号 |
E02D5/34 |
代理机构 |
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